I would go get a blood test if i were you.
If your getting your period an your pregnancy test are saying no id say your not an maybe your symptoms are just from you wanting to be so bad your minds playing tricks on you.good luck though.
I did. Thats wen i 1st got the positive den after that i did it again dha next weeks n months with first urine n dey came bck with not pregnant.
Always take a test with first morning urine, its most accurate. Good luck.